h2,p{text-align:center}body,form{padding:20px}fieldset,p{margin-bottom:20px}h2,legend{color:#333}button,label{display:block}*{box-sizing:border-box;margin:0;padding:0;font-family:Arial,Helvetica,sans-serif}body{background:#f4f4f9}h2{margin:90px 0 20px;font-size:28px}legend,p{font-size:18px}p{color:#666}form{max-width:800px;margin:0 auto;background-color:#fff;border-radius:8px;box-shadow:0 2px 4px rgba(0,0,0,.1)}fieldset{border:1px solid #ddd;padding:10px;border-radius:8px}legend{padding-left:10px;font-weight:700}label{margin-bottom:10px;font-size:16px;color:#555}input[type=radio]{margin-right:10px}button{width:250px;padding:10px;background-color:#20509b;color:#fff;border:none;border-radius:5px;cursor:pointer;font-size:18px;transition:background-color .3s}button:hover{background-color:#036}@media screen and (max-width:768px){h2{font-size:24px}legend,p{font-size:16px}label{font-size:14px}button{width:200px;font-size:16px}}@media screen and (max-width:480px){h2{font-size:20px}legend,p{font-size:14px}label{font-size:12px}button{width:150px;font-size:14px}}